Cartilage in the Knee 软骨

Cartilagein the knee is a smooth, soft tissue that covers the ends of the bones in your knee joint.
It helps your knee move gently when you walk, run, or jump.
Thiscartilageacts as a cushion and keeps the bones from touching or scraping against each other.
Knee cartilage also absorbs shocks, so your knee does not get hurt from jumping or fast movement.
If the cartilage in your knee is damaged, it can be painful and hard to move your leg.
Keeping your knee cartilage healthy lets you play and move easily every day.

膝盖软骨是一种光滑柔软的组织，覆盖在膝盖关节的骨头末端。
它能帮助你的膝盖行走、奔跑或跳跃时顺畅活动。
这种软骨像垫子一样，防止骨头之间直接接触或摩擦。
膝盖软骨还能吸收冲击，保护膝关节不因跳跃或剧烈运动受伤。
如果膝盖软骨受损，就会感到疼痛，腿也不好动。
保护好膝盖软骨，你每天都能轻松活动和玩耍。

配套练习?? cartilage /?kɑ?rt?l?d?/

?? 完形填空（Cloze Test）

Cartilage in the knee covers the ______ of the bones.
(a. ends / b. sides / c. middle)

Knee cartilage helps your knee move ______.
(a. gently / b. loudly / c. quickly)

Cartilage acts as a ______ to stop bones from scraping.
(a. wall / b. cushion / c. lid)

If your knee cartilage is hurt, moving your leg can be ______.
(a. fun / b. painful / c. easy)

Healthy knee cartilage lets you ______ every day.
(a. sleep / b. play / c. worry)

? 选择题（Multiple Choice）

What does cartilage in the knee help you do?
A) Stand still
B) Move and play
C) Eat food

What can happen if knee cartilage is damaged?
A) Your leg may hurt and not move well
B) You get taller
C) You sleep better

What does knee cartilage protect you from when running or jumping?
A) Shock and pain
B) Sunshine
C) Water

?? 填空题（Fill in the Blanks）

The knee cartilage acts as a ______ between bones.
（可选答案：cushion, shoe, ring）

Cartilage in the knee helps you ______ and jump.
（可选答案：walk, cook, read）

Damage to knee cartilage can make movement ______.
（可选答案：painful, quiet, tasty）

Keeping knee cartilage ______ helps you move easily.
（可选答案：healthy, thin, hard）

练习答案?

完形填空

a. ends a. gently b. cushion b. painful b. play #p#分页标题#e#

选择题
6. B) Move and play
7. A) Your leg may hurt and not move well
8. A) Shock and pain

填空题
9. cushion
10. walk
11. painful
12. healthy

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